For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.

Calcium sulfate hemihydrate

View entire compound with spectra: 1 FTIR

Calcium sulfate hemihydrate
SpectraBase Compound ID Cr4sPlvFV38
InChI InChI=1S/2Ca.2H2O4S.H2O/c;;2*1-5(2,3)4;/h;;2*(H2,1,2,3,4);1H2/q2*+2;;;/p-4
InChIKey ZOMBKNNSYQHRCA-UHFFFAOYSA-J
Mol Weight 288.3 g/mol
Molecular Formula Ca2O9S2
Exact Mass 287.823556 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID 9N3BD3qFO3h
Name Calcium sulfate hemihydrate
Source of Sample Sigma-Aldrich
Catalog Number 307661
CAS Registry Number 10034-76-1
Copyright Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula CaO4S*0.5H2O
InChI InChI=1S/2Ca.2H2O4S.H2O/c;;2*1-5(2,3)4;/h;;2*(H2,1,2,3,4);1H2/q2*+2;;;/p-4
InChIKey ZOMBKNNSYQHRCA-UHFFFAOYSA-J
Purity 98%
Synonyms Gypsum hemihydrate UNII-3RW091J48V
Wiley ID SIAL_ATR-IR_015002